About FreeMusicKit
Free online music toolkit powered by the Web Audio API. Every sound is generated in your browser — nothing is downloaded or uploaded.
4
Music Tools
Web Audio
Audio Engine
0
Sign-ups Required
0
Data Sent to Server
Our Tools
Metronome
Adjustable BPM with tap tempo, multiple time signatures, and visual pulse. Audio clicks via Web Audio API.
Guitar Tuner
Microphone pitch detection with autocorrelation. Multiple tuning presets and reference tones.
Virtual Piano
Playable piano keys via mouse or keyboard. Multiple instruments, recording, and octave shifting.
Drum Machine
16-step sequencer with 8 synthesized drum sounds. Preset patterns, save/load, tempo control.
Privacy & Security
100% Browser-Based
All sounds are generated using the Web Audio API in your browser. No audio files are downloaded or uploaded.
Instant Audio
No server round-trips. Sounds are synthesized in real-time using oscillators, noise generators, and filters.
Works Everywhere
Use on any device with a modern browser — desktop, tablet, or phone. No installation needed.